<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
</head>
<body>

<h1>找不到该资源!</h1>
</body>
<style>
    h1{
        width: 500px;
        height: 100px;
        margin: 0 auto;
    }
</style>
</html>